Lewis Structure

Multiple Choice

What do the dots and lines represent in a Lewis structure diagram?

• Dots represent protons and lines represent neutrons.

• Dots represent valence electrons and lines represent shared electrons.

• Dots represent atoms and lines represent chemical bonds.

• Dots represent molecules and lines represent reactions.

Multiple Choice

Which type of bond is formed when two chlorine atoms share one pair of electrons?

• Single bond

• Double bond

• Triple bond

• Ionic bond

Multiple Choice

Which of the following molecules contains a double bond?

• Cl2

• O2

• N2

• CH4

Multiple Choice

In the methane molecule (CH4), how many hydrogen atoms are bonded to the central carbon atom?

• 2

• 3

• 4

• 5

Multiple Choice

Which type of covalent bond involves the sharing of four electrons between two atoms?

• Single bond

• Double bond

• Triple bond

• Ionic bond

Multiple Choice

What is the first step in drawing a Lewis structure according to the instructions provided?

• Draw all valence electrons around the element symbol

• Determine the number of valence electrons for each atom

• Figure out how many times each atom will need to bond

• Watch out for small atoms like hydrogen

Multiple Select

Which of the following are steps in drawing a Lewis structure?

• Draw all valence electrons around the element symbol

• Figure out how many times each atom will need to bond

• Watch out for small atoms like hydrogen

• All of the above

Open Ended

Summarize the process of drawing a Lewis structure using the steps provided in the images.

Multiple Choice

What is the purpose of using a line instead of dots when representing bonded electrons in a Lewis structure?

• To show the electrons are shared in a bond

• To indicate lone pairs

• To represent ionic bonds

• To show the molecule in 3D

Multiple Choice

Which of the following molecules should be drawn at a right angle according to Lewis structure conventions?

• H2O

• CO2

• O2

• CH4

Multiple Select

Select all statements that are true about double bonds in Lewis structures.

• Double bonds can't bend

• Double bonds are represented by two lines

• Double bonds always involve oxygen

• Double bonds make the molecule linear

Multiple Choice

Which molecule shown in the images has a linear structure?

• H2O

• CO2

• NH3

• CCl4

Multiple Choice

Which molecule in the images contains a triple bond?

• O2

• N2

• CO2

• NF3

Multiple Select

Select all molecules from the images that contain only single bonds.

• C2H6

• Br2

• CO2

• NF3